﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace Chizx.DAL
{
	/// <summary>
	/// 数据访问类:clazz
	/// </summary>
	public partial class ClazzDal
	{
		public ClazzDal()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("zc_id", "z_clazz"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int zc_id,int zm_id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from z_clazz");
			strSql.Append(" where zc_id=@ChizxFDzc_id and zm_id=@ChizxFDzm_id ");
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDzc_id", SqlDbType.Int,4),
					new SqlParameter("@ChizxFDzm_id", SqlDbType.Int,4)			};
			parameters[0].Value = zc_id;
			parameters[1].Value = zm_id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool Add(Chizx.Model.ClazzModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into z_clazz(");
			strSql.Append("zm_id,zc_name,zc_createdate)");
			strSql.Append(" values (");
			strSql.Append("@ChizxFDzm_id,@ChizxFDzc_name,@ChizxFDzc_createdate)");
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDzm_id", SqlDbType.Int,4),
					new SqlParameter("@ChizxFDzc_name", SqlDbType.VarChar,15),
					new SqlParameter("@ChizxFDzc_createdate", SqlDbType.DateTime)};
			parameters[0].Value = model.zm_id;
			parameters[1].Value = model.zc_name;
			parameters[2].Value = model.zc_createdate;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Chizx.Model.ClazzModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update z_clazz set ");
			strSql.Append("zc_name=@ChizxFDzc_name,");
			strSql.Append("zc_createdate=@ChizxFDzc_createdate");
			strSql.Append(" where zc_id=@ChizxFDzc_id and zm_id=@ChizxFDzm_id ");
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDzc_name", SqlDbType.VarChar,15),
					new SqlParameter("@ChizxFDzc_createdate", SqlDbType.DateTime),
					new SqlParameter("@ChizxFDzc_id", SqlDbType.Int,4),
					new SqlParameter("@ChizxFDzm_id", SqlDbType.Int,4)};
			parameters[0].Value = model.zc_name;
			parameters[1].Value = model.zc_createdate;
			parameters[2].Value = model.zc_id;
			parameters[3].Value = model.zm_id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int zc_id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from z_clazz,z_user using z_clazz,z_user ");
            strSql.Append(" where z_clazz.zc_id=z_user.zc_id");
			strSql.Append(" and zc_id=@ChizxFDzc_id ");
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDzc_id", SqlDbType.Int,4)			};
			parameters[0].Value = zc_id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

        public bool DeleteList(string idlist)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from z_clazz,z_user using z_clazz,z_user ");
            strSql.Append(" where z_clazz.zc_id=z_user.zc_id");
            strSql.Append(" and zc_id in ("+ idlist +") ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Chizx.Model.ClazzModel GetModel(int zc_id,int zm_id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 zc_id,zm_id,zc_name,zc_createdate from z_clazz ");
			strSql.Append(" where zc_id=@ChizxFDzc_id and zm_id=@ChizxFDzm_id ");
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDzc_id", SqlDbType.Int,4),
					new SqlParameter("@ChizxFDzm_id", SqlDbType.Int,4)			};
			parameters[0].Value = zc_id;
			parameters[1].Value = zm_id;

			Chizx.Model.ClazzModel model=new Chizx.Model.ClazzModel();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Chizx.Model.ClazzModel DataRowToModel(DataRow row)
		{
			Chizx.Model.ClazzModel model=new Chizx.Model.ClazzModel();
			if (row != null)
			{
				if(row["zc_id"]!=null && row["zc_id"].ToString()!="")
				{
					model.zc_id=int.Parse(row["zc_id"].ToString());
				}
				if(row["zm_id"]!=null && row["zm_id"].ToString()!="")
				{
					model.zm_id=int.Parse(row["zm_id"].ToString());
				}
				if(row["zc_name"]!=null)
				{
					model.zc_name=row["zc_name"].ToString();
				}
				if(row["zc_createdate"]!=null && row["zc_createdate"].ToString()!="")
				{
					model.zc_createdate=DateTime.Parse(row["zc_createdate"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select zc_id,zm_id,zc_name,zc_createdate ");
			strSql.Append(" FROM z_clazz ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" zc_id,zm_id,zc_name,zc_createdate ");
			strSql.Append(" FROM z_clazz ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM z_clazz ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.zm_id desc");
			}
			strSql.Append(")AS Row, T.*  from z_clazz T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@ChizxFDtblName", SqlDbType.VarChar, 255),
					new SqlParameter("@ChizxFDfldName", SqlDbType.VarChar, 255),
					new SqlParameter("@ChizxFDPageSize", SqlDbType.Int),
					new SqlParameter("@ChizxFDPageIndex", SqlDbType.Int),
					new SqlParameter("@ChizxFDIsReCount", SqlDbType.Bit),
					new SqlParameter("@ChizxFDOrderType", SqlDbType.Bit),
					new SqlParameter("@ChizxFDstrWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "z_clazz";
			parameters[1].Value = "zm_id";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

